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18

Null enums and IS (NOT) NULL: NullPointerException

.FacesServlet.service(FacesServlet.java:647) at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1682) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:318) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:160) at org
18

2.5.3_02: java.lang.UnsupportedOperationException

.service(FacesServlet.java:646) at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1682) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:318) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:160) at org
16

Log4j error

A "org.apache.log4j.xml.DOMConfigurator" object is not assignable to a "org.apache.log4j.spi.Configurator" variable. [java] log4j:ERROR The class "org.apache.log4j.spi.Configurator" was loaded by [java] log4j:ERROR [com.objectdb.o.BCL@7fdcde] whereas object of type [java] log4j:ERROR "org.apache
16

Post-compile enhancement fails when static Log4j 2.5 based logger used in Entity

a non-static logging variable holder can be used in an @Entity. ObjectDB 2.6.3_04 Apache Log4j2 - 2.5 ... " at com.sun.org.apache.xerces.internal.parsers.DOMParser.parse(DOMParser.java:237) at com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderImpl.parse(DocumentBuilderImpl.java:348) at org.apache
15

Activation Issue

(RunAfters.java:31) at org.junit.runners.ParentRunner.run(ParentRunner.java:236) at org.apache.maven.surefire.junit4.JUnit4TestSet.execute(JUnit4TestSet.java:62) at org.apache.maven.surefire.suite.AbstractDirectoryTestSuite.executeTestSet(AbstractDirectoryTestSuite.java:140) at org.apache.maven
14

JRebel integration feature

:631) at java.lang.ClassLoader.defineClass(ClassLoader.java:615) at org.apache.felix.framework.ModuleImpl$ModuleClassLoader.findClass(ModuleImpl.java:1907) at org.apache.felix.framework.ModuleImpl.findClassOrResourceByDelegation(ModuleImpl.java:727) at org.apache.felix.framework.ModuleImpl.access
3

version 2.4.5+ with GlassFish 3.1.2, errors when runs application. Version 2.4.4 worked but not 2.4.5 or later

.java:594) at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1550) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:281) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175) at org.apache.catalina.core
3

Unexpected exception (Error 990) - NullPointerException

(HttpServlet.java:707) at javax.servlet.http.HttpServlet.service(HttpServlet.java:790) at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1682) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:318) at org.apache.catalina.core
3

javax.servlet.ServletException: Annotated methods must follow the JavaBeans naming convention. __odbHidden_getPropertyName

(FacesServlet.java:409) at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1523) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:279) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:188) at org.apache.catalina
2

javax.jdo.JDONullIdentityException: The identity must not be null.

.EntityManagerFilter.destroy(EntityManagerFilter.java:52) at org.apache.catalina.core.ApplicationFilterConfig.release(ApplicationFilterConfig.java:319) at org.apache.catalina.core.StandardContext.filterStop(StandardContext.java:4717) at org.apache.catalina.core.StandardContext.stop(StandardContext.java:5564

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

Need Help?

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  2. Read the FAQ
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